package com.dragon.learnapachepoi.poiword;

import org.apache.poi.xwpf.usermodel.XWPFDocument;
import org.apache.poi.xwpf.usermodel.XWPFRun;
import org.apache.xmlbeans.XmlException;
import org.apache.xmlbeans.XmlToken;
import org.openxmlformats.schemas.drawingml.x2006.main.CTNonVisualDrawingProps;
import org.openxmlformats.schemas.drawingml.x2006.main.CTPositiveSize2D;
import org.openxmlformats.schemas.drawingml.x2006.wordprocessingDrawing.CTInline;

/**
 * @author DragonWen
 */
public class ImageUtils {
	/**
	 * 图片类型枚举
	 */
	enum ImageType {

		/**
		 * 支持四种类型 JPG/JPEG, GIT, BMP, PNG
		 */
		JPG("JPG", XWPFDocument.PICTURE_TYPE_JPEG), JPEG("JPEG", XWPFDocument.PICTURE_TYPE_JPEG), GIF("GIF", XWPFDocument.PICTURE_TYPE_GIF), BMP("BMP", XWPFDocument.PICTURE_TYPE_GIF), PNG("PNG", XWPFDocument.PICTURE_TYPE_PNG);
		private String name;
		private Integer typeId;

		ImageType(String name, Integer type) {
			this.name = name;
			this.typeId = type;
		}

		public String getName() {
			return name;
		}

		public void setName(String name) {
			this.name = name;
		}

		public Integer getTypeId() {
			return typeId;
		}

		public void setTypeId(Integer typeId) {
			this.typeId = typeId;
		}
	}

	public static void createPicture(XWPFRun run, String blipId, int id, int width, int height) {
		final int EMU = 9525;
		width *= EMU;
		height *= EMU;
		CTInline inline = run.getCTR().addNewDrawing().addNewInline();

		String picXml = "" + "<a:graphic xmlns:a=\"http://schemas.openxmlformats.org/drawingml/2006/main\">"
				+ "   <a:graphicData uri=\"http://schemas.openxmlformats.org/drawingml/2006/picture\">"
				+ "      <pic:pic xmlns:pic=\"http://schemas.openxmlformats.org/drawingml/2006/picture\">"
				+ "         <pic:nvPicPr>" + "            <pic:cNvPr id=\"" + id + "\" name=\"Generated\"/>"
				+ "            <pic:cNvPicPr/>" + "         </pic:nvPicPr>" + "         <pic:blipFill>"
				+ "            <a:blip r:embed=\"" + blipId
				+ "\" xmlns:r=\"http://schemas.openxmlformats.org/officeDocument/2006/relationships\"/>"
				+ "            <a:stretch>" + "               <a:fillRect/>" + "            </a:stretch>"
				+ "         </pic:blipFill>" + "         <pic:spPr>" + "            <a:xfrm>"
				+ "               <a:off x=\"0\" y=\"0\"/>" + "               <a:ext cx=\"" + width + "\" cy=\""
				+ height + "\"/>" + "            </a:xfrm>" + "            <a:prstGeom prst=\"rect\">"
				+ "               <a:avLst/>" + "            </a:prstGeom>" + "         </pic:spPr>"
				+ "      </pic:pic>" + "   </a:graphicData>" + "</a:graphic>";

		XmlToken xmlToken = null;
		try {
			xmlToken = XmlToken.Factory.parse(picXml);
		} catch (XmlException xe) {
			xe.printStackTrace();
		}
		inline.set(xmlToken);

		inline.setDistT(0);
		inline.setDistB(0);
		inline.setDistL(0);
		inline.setDistR(0);

		CTPositiveSize2D extent = inline.addNewExtent();
		extent.setCx(width);
		extent.setCy(height);

		CTNonVisualDrawingProps docPr = inline.addNewDocPr();
		docPr.setId(id);
		docPr.setName("Picture " + id);
		docPr.setDescr("Generated");
	}
	
}
